feat(framework): Add Smithy Annotations for Customers, Mandates

[Debarshi-Gupta]

Type of Change

• [ ] Bugfix
• [ ] New feature
• [ ] Enhancement
• [ ] Refactoring
• [ ] Dependency updates
• [ ] Documentation
• [ ] CI/CD

Description

Additional Changes

• [ ] This PR modifies the API contract
• [ ] This PR modifies the database schema
• [ ] This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

Checklist

• [ ] I formatted the code cargo +nightly fmt --all
• [ ] I addressed lints thrown by cargo clippy
• [ ] I reviewed the submitted code
• [ ] I added unit tests for my changes where possible

[semanticdiff-com[bot]]

Review changes with  

Changed Files

File	Status
crates/smithy-generator/build.rs	60% smaller
crates/api_models/src/payments.rs	55% smaller
crates/api_models/src/refunds.rs	20% smaller
crates/api_models/src/customers.rs	19% smaller
crates/api_models/src/mandates.rs	13% smaller
crates/common_enums/src/enums.rs	0% smaller
smithy/models/com_hyperswitch.smithy	Unsupported file format
smithy/smithy-build.json	0% smaller

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :warning: Please upload report for BASE (main@1840199). Learn more about missing BASE report.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #10191   +/-   ##
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  Coverage        ?    6.50%           
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  Files           ?     1238           
  Lines           ?   309148           
  Branches        ?        0           
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  Hits            ?    20098           
  Misses          ?   289050           
  Partials        ?        0           

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